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Issue metadata

Status: Duplicate
Merged: issue 786023
Owner:
Closed: Nov 2017
Components:
EstimatedDays: ----
NextAction: ----
OS: Linux
Pri: 1
Type: Bug



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Null-dereference READ in base::CommandLine::HasSwitch

Project Member Reported by ClusterFuzz, Nov 16 2017

Issue description

Detailed report: https://clusterfuzz.com/testcase?key=6517224797110272

Fuzzer: libFuzzer_clear_site_data_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  base::CommandLine::HasSwitch
  content::ClearSiteDataThrottle::ParseHeader
  _start
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=517036:517055

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6517224797110272

Issue filed automatically.

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.
 
Project Member

Comment 1 by ClusterFuzz, Nov 16 2017

Components: Internals>Core Privacy
Labels: Test-Predator-Auto-Components
Automatically applying components based on crash stacktrace and information from OWNERS files.

If this is incorrect, please apply the Test-Predator-Wrong-Components label.
Project Member

Comment 2 by ClusterFuzz, Nov 16 2017

Labels: Test-Predator-Auto-Owner
Owner: msramek@chromium.org
Status: Assigned (was: Untriaged)
Automatically assigning owner based on suspected regression changelist https://chromium.googlesource.com/chromium/src/+/69e586cb53639ea3e6f22267bde1f611fbab00de (Add the wildcard ("*") pseudo-datatype to Clear-Site-Data.).

If this is incorrect, please remove the owner and apply the Test-Predator-Wrong-CLs label.
Mergedinto: 786023
Status: Duplicate (was: Assigned)
The report in  issue 786023  is slightly different, but it's most likely the same thing.
Project Member

Comment 4 by ClusterFuzz, Nov 18 2017

ClusterFuzz has detected this issue as fixed in range 517426:517472.

Detailed report: https://clusterfuzz.com/testcase?key=6517224797110272

Fuzzer: libFuzzer_clear_site_data_fuzzer
Job Type: libfuzzer_chrome_ubsan
Platform Id: linux

Crash Type: Null-dereference READ
Crash Address: 0x000000000020
Crash State:
  base::CommandLine::HasSwitch
  content::ClearSiteDataThrottle::ParseHeader
  _start
  
Sanitizer: undefined (UBSAN)

Regressed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=517036:517055
Fixed: https://clusterfuzz.com/revisions?job=libfuzzer_chrome_ubsan&range=517426:517472

Reproducer Testcase: https://clusterfuzz.com/download?testcase_id=6517224797110272

See https://chromium.googlesource.com/chromium/src/+/master/testing/libfuzzer/reference.md for more information.

If you suspect that the result above is incorrect, try re-doing that job on the test case report page.

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